
- Read more about HYBRID ATTENTION-BASED PROTOTYPICAL NETWORKS FOR FEW-SHOT SOUND CLASSIFICATION
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In recent years, prototypical networks have been widely used
in many few-shot learning scenarios. However, as a metric-
based learning method, their performance often degrades in
the presence of bad or noisy embedded features, and outliers
in support instances. In this paper, we introduce a hybrid at-
tention module and combine it with prototypical networks for
few-shot sound classification. This hybrid attention module
consists of two blocks: a feature-level attention block, and
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- Read more about L3DAS22 Challenge: Learning 3D Audio Sources in a Real Office Environment
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The L3DAS22 Challenge is aimed at encouraging the development of machine learning strategies for 3D speech enhancement and 3D sound localization and detection in office-like environments. This challenge improves and extends the tasks of the L3DAS21 edition1. We generated a new dataset, which maintains the same general characteristics of L3DAS21 datasets, but with an extended number of data points and adding constrains that improve the baseline model’s efficiency and overcome the major difficulties encountered by the participants of the previous challenge.
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- Read more about Improving Feature Generalizability With Multitask Learning In Class Incremental Learning
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- Read more about Improving Feature Generalizability With Multitask Learning In Class Incremental Learning
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- Read more about Poster - KARASINGER: SCORE-FREE SINGING VOICE SYNTHESIS WITH VQ-VAE USING MEL-SPECTROGRAMS
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- Read more about Slides - KARASINGER: SCORE-FREE SINGING VOICE SYNTHESIS WITH VQ-VAE USING MEL-SPECTROGRAMS
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- Read more about One-class Learning Towards Synthetic Voice Spoofing Detection (Poster)
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Human voices can be used to authenticate the identity of the speaker, but the automatic speaker verification (ASV) systems are vulnerable to voice spoofing attacks, such as impersonation, replay, text-to-speech, and voice conversion. Recently, researchers developed anti-spoofing techniques to improve the reliability of ASV systems against spoofing attacks. However, most methods encounter difficulties in detecting unknown attacks in practical use, which often have different statistical distributions from known attacks.
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- Read more about Infant Crying Detection in Real-World Environments
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Most existing cry detection models have been tested with data collected in controlled settings. Thus, the extent to which they generalize to noisy and lived environments is unclear. In this paper, we evaluate several established machine learning approaches including a model leveraging both deep spectrum and acoustic features. This model was able to recognize crying events with F1 score 0.613 (Precision: 0.672, Recall: 0.552), showing improved external validity over existing methods at cry detection in everyday real-world settings.
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- Read more about Deep Convolutional and Recurrent Networks for Polyphonic Instrument Classification from Monophonic Raw Audio Waveforms
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Sound Event Detection and Audio Classification tasks are traditionally addressed through time-frequency representations of audio signals such as spectrograms. However, the emergence of deep neural networks as efficient feature extractors has enabled the direct use of audio signals for classification purposes. In this paper, we attempt to recognize musical instruments in polyphonic audio by only feeding their raw waveforms into deep learning models.
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The recognition of music genre and the discrimination between music and speech are important components of modern digital music systems. Depending on the acquisition conditions, such as background environment, these signals may come from different probability distributions, making the learning problem complicated. In this context, domain adaptation is a key theory to improve performance. Considering data coming from various background conditions, the adaptation scenario is called multi-source.
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